LXR qemu/target-microblaze/microblaze-decode.h

   1/*
   2 *  MicroBlaze insn decoding macros.
   3 *
   4 *  Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com>
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20/* Convenient binary macros.  */
  21#define HEX__(n) 0x##n##LU
  22#define B8__(x) ((x&0x0000000FLU)?1:0) \
  23                 + ((x&0x000000F0LU)?2:0) \
  24                 + ((x&0x00000F00LU)?4:0) \
  25                 + ((x&0x0000F000LU)?8:0) \
  26                 + ((x&0x000F0000LU)?16:0) \
  27                 + ((x&0x00F00000LU)?32:0) \
  28                 + ((x&0x0F000000LU)?64:0) \
  29                 + ((x&0xF0000000LU)?128:0)
  30#define B8(d) ((unsigned char)B8__(HEX__(d)))
  31
  32/* Decode logic, value and mask.  */
  33#define DEC_ADD     {B8(00000000), B8(00110001)}
  34#define DEC_SUB     {B8(00000001), B8(00110001)}
  35#define DEC_AND     {B8(00100001), B8(00110101)}
  36#define DEC_XOR     {B8(00100010), B8(00110111)}
  37#define DEC_OR      {B8(00100000), B8(00110111)}
  38#define DEC_BIT     {B8(00100100), B8(00111111)}
  39#define DEC_MSR     {B8(00100101), B8(00111111)}
  40
  41#define DEC_BARREL  {B8(00010001), B8(00110111)}
  42#define DEC_MUL     {B8(00010000), B8(00110111)}
  43#define DEC_DIV     {B8(00010010), B8(00110111)}
  44#define DEC_FPU     {B8(00010110), B8(00111111)}
  45
  46#define DEC_LD      {B8(00110000), B8(00110100)}
  47#define DEC_ST      {B8(00110100), B8(00110100)}
  48#define DEC_IMM     {B8(00101100), B8(00111111)}
  49
  50#define DEC_BR      {B8(00100110), B8(00110111)}
  51#define DEC_BCC     {B8(00100111), B8(00110111)}
  52#define DEC_RTS     {B8(00101101), B8(00111111)}
  53
  54#define DEC_STREAM  {B8(00010011), B8(00110111)}
  55
  56